General information about the fuel injection system In order to avoid injury to people and malfunction of the fuel injection and pre-glow system, it must be taken into account that the wire terminals of the...
Relays and sensors of the fuel injection system Relay in 3-gang relay board in footwell front left (AMR, VNS) I. Glow plug relay -352-. 2. Power supply relay, cl. 30 -3317-. Relay in 3-gang relay board in...
Air filter parts and assemblies Air filter parts and assemblies: 1. Bolt 2. Air filter insert. Always use the original air filter insert 3. Air filter housing. Clean the air filter housing...
Removing and installing the air filter insert Withdrawal Remove bolts -1- and remove air filter housing cover from bracket -arrow-. Remove the air filter insert. Installation For the perfect functioning of...
Removal and installation of the air flow meter Withdrawal Unplug electrical connector at air mass meter -G70-. Open both hose clamps and carefully remove air mass meter -G70- from intake hose. Installation...
Parts and assemblies of the pump-injector Always replace seals and rings. Parts and assemblies of the pump-injector: 1. Bolt. 20 Nm + tighten by 90°. Replacement 2. Rocker axle with rocker arm 3....
Removal and installation of the pump nozzle Withdrawal Remove cylinder head cover. Rotate the crankshaft until the pair of lobes of each unit injector to be installed or removed are pointing evenly...
Engine control unit — check Checking cables and components with diagnostic unit -VAG 1598/31- Instruction. Use hand-held multimeter -VAG 1526C- or multimeter -VAG 1715- and voltage tester...
Removal and installation of the engine control unit Withdrawal Connect tester -VAS 5052- and select using "addresses" 01 engine electronics control unit. In this case, the ignition must be turned on. The display...